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2. 发明申请

WO1993004004A1 COMPUTERIZED CHEMICAL INJECTION SYSTEM FOR HYDROGEN SULFIDE CONTROL IN A WASTE WATER STREAM 审中-公开
标题翻译：废水处理中硫化氢控制的计算化学注入系统
公开(公告)号：WO1993004004A1
公开(公告)日：1993-03-04
申请号：PCT/EP1992001834
申请日：1992-08-11
申请人： TECHNOLIZENZ ESTABLISHMENT
发明人： TECHNOLIZENZ ESTABLISHMENT , JAVADI, Younes , JONES, Randy, L. , WERNER, Douglas, F.
IPC分类号： C02F01/58
CPC分类号： G01N33/0044 , C09K8/54 , G05D21/02
摘要： A process and apparatus system for continuously monitoring the hydrogen sulfide concentration present in the atmosphere (14) above a waste water stream (12), such as a sewerage stream, and for controlling the amount and time of injecting a specified chemical into the waste water stream in order to control the quantity of hydrogen sulfide which would evaporate into the atmosphere (14). This system comprises the steps of obtaining a sample of atmosphere (14) above the stream (12); routing the sample of air through a sensor (24) for determining the concentration of hydrogen sulfide gas within the quantity of sampled air; determining the amount of dopant chemical to add to the waste water; sending a signal from the controller (26) to a chemical injection pump (40) for injecting the determined quantity of chemical compound into the waste water stream (12) to absorb some of the hydrogen sulfide gas; continually monitoring the stream for determining the concentration of hydrogen sulfide gas in the stream (12) following the introduction of chemical compound thereunto; and adding additional compound on a continuing basis, as needed, depending on the concentration of hydrogen sulfide within the stream (12).
摘要翻译：一种用于连续监测存在于诸如污水流的废水流（12）之上的大气（14）中的硫化氢浓度并用于控制将特定化学品注入废水中的量和时间的过程和装置系统以控制将蒸发到大气中的硫化氢的量（14）。该系统包括以下步骤：在流（12）上方获得气氛样品（14）; 将空气样品路由通过传感器（24），以确定在采样空气量内的硫化氢气体的浓度; 确定添加到废水中的掺杂剂化学品的量; 将来自控制器（26）的信号发送到化学品注入泵（40），用于将确定量的化合物注入废水流（12）中以吸收一些硫化氢气体; 在引入化学化合物之后，连续监测流中确定流（12）中硫化氢气体浓度的流量; 并根据需要在持续的基础上加入额外的化合物，这取决于流（12）内硫化氢的浓度。

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